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Oliveira RF, Marquiore LF, Gomes CBS, de Abreu PTR, Ferreira LAQ, Diniz LA, Gomes NA, Jácome‐Santos H, Moreno A, Macari S, Mesquita RA, Silva TA, Marques MM, Diniz IMA. Interplay between epithelial and mesenchymal cells unveils essential proinflammatory and pro‐resolutive mediators modulated by photobiomodulation therapy at 660 nm. Wound Repair Regen 2022; 30:345-356. [DOI: 10.1111/wrr.13010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 03/04/2022] [Accepted: 03/27/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Rafaela F. Oliveira
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Larissa F. Marquiore
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Cristopher B. S. Gomes
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Priscila T. R. de Abreu
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Luiza A. Q. Ferreira
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Luiza A. Diniz
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Natália A. Gomes
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Humberto Jácome‐Santos
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Amália Moreno
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Soraia Macari
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Ricardo A. Mesquita
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Tarcília A. Silva
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Márcia M. Marques
- Post‐Graduation Program in Dentistry, Ibirapuera University São Paulo São Paulo Brazil
| | - Ivana M. A. Diniz
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
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IL-1R1 signaling facilitates Munro's microabscess formation in psoriasiform imiquimod-induced skin inflammation. J Invest Dermatol 2013; 133:1541-9. [PMID: 23407395 PMCID: PMC3656131 DOI: 10.1038/jid.2012.512] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Munro's microabscesses contain polymorphonuclear leukocytes and form specifically in the epidermis of psoriasis patients. The mechanism whereby the neutrophils are recruited into the epidermis is poorly understood. Using a combination of human and mouse primary keratinocyte cell cultures and the imiquimod-induced psoriasis-like mouse model of skin inflammation, we explored the role of IL-1 signaling in microabscess formation. In vitro imiquimod stimulated production of IL-1α and neutrophil recruiting chemokines. Imiquimod-activated chemokine expression was dependent upon adenosine signaling and independent of IL-1α and IL-1 receptor type 1 (IL-1R1); nevertheless, IL-1α could enhance chemokine expression initiated by imiquimod. Topical application of imiquimod in vivo led to epidermal microabscess formation, acanthosis, and increased IL-1α and chemokine expression in the skin of wild-type mice. However, in IL-1R1-deficient mice these responses were either absent or dramatically reduced. These results demonstrate that IL-1α and IL-1R1 signaling is essential for microabscess formation, neutrophil recruiting chemokine expression, and acanthosis in psoriasis-like skin inflammation induced by imiquimod.
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Kanda N, Watanabe S. Histamine enhances the production of human beta-defensin-2 in human keratinocytes. Am J Physiol Cell Physiol 2007; 293:C1916-23. [PMID: 17928537 DOI: 10.1152/ajpcell.00293.2007] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The anti-microbial peptide human beta-defensin-2 (hBD-2), produced by epidermal keratinocytes, plays pivotal roles in anti-microbial defense, inflammatory dermatoses, and wound repair. hBD-2 induces histamine release from mast cells. We examined the in vitro effects of histamine on hBD-2 production in normal human keratinocytes. Histamine enhanced TNF-alpha- or IFN-gamma-induced hBD-2 secretion and mRNA expression. Histamine alone enhanced transcriptional activities of NF-kappaB and activator protein-1 (AP-1) and potentiated TNF-alpha-induced NF-kappaB and AP-1 activities or IFN-gamma-induced NF-kappaB and STAT1 activities. Antisense oligonucleotides against NF-kappaB components p50 and p65, AP-1 components c-Jun and c-Fos, or H1 antagonist pyrilamine suppressed hBD-2 production induced by histamine plus TNF-alpha or IFN-gamma. Antisense oligonucleotide against STAT1 only suppressed hBD-2 production induced by histamine plus IFN-gamma. Histamine induced serine phosphorylation of inhibitory NF-kappaBalpha (IkappaBalpha) alone or together with TNF-alpha or IFN-gamma. Histamine induced c-Fos mRNA expression alone or together with TNF-alpha, whereas it did not further increase c-Jun mRNA levels enhanced by TNF-alpha. Histamine induced serine phosphorylation of STAT1 alone or together with IFN-gamma, whereas it did not further enhance IFN-gamma-induced tyrosine phosphorylation of STAT1. The histamine-induced serine phosphorylation of STAT1 was suppressed by MAPKK (MEK) inhibitor PD98059. These results suggest that histamine stimulates H1 receptor and potentiates TNF-alpha- or IFN-gamma-induced hBD-2 production dependent on NF-kappaB, AP-1, or STAT1 in human keratinocytes. Histamine may potentiate anti-microbial defense, skin inflammation, and wound repair via the induction of hBD-2.
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Affiliation(s)
- Naoko Kanda
- Department of Dermatology, Teikyo University School of Medicine, Tokyo, Japan
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Shephard P, Martin G, Smola-Hess S, Brunner G, Krieg T, Smola H. Myofibroblast differentiation is induced in keratinocyte-fibroblast co-cultures and is antagonistically regulated by endogenous transforming growth factor-beta and interleukin-1. THE AMERICAN JOURNAL OF PATHOLOGY 2004; 164:2055-66. [PMID: 15161640 PMCID: PMC1615767 DOI: 10.1016/s0002-9440(10)63764-9] [Citation(s) in RCA: 136] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In wound healing epidermal-dermal interactions are known to regulate keratinocyte proliferation and differentiation. To find out how fibroblasts respond to epithelial stimuli, we characterized fibroblasts in monolayer co-culture with keratinocytes. On co-culture numerous extracellular matrix- and smooth muscle cell-associated gene transcripts were up-regulated in fibroblasts, suggesting a differentiation into myofibroblasts. Increased alpha-smooth muscle actin (alpha-SMA) protein expression in co-cultured fibroblasts started at approximately day 4, was serum-independent, but required endogenous transforming growth factor (TGF)-beta. In co-cultures, TGF-beta neutralizing monoclonal antibody strongly reduced alpha-SMA induction. Endogenous TGF-beta production and activation were increased at 24 and 48 hours, requiring, like alpha-SMA induction, close keratinocyte-fibroblast proximity. As myofibroblast differentiation only started after 4 days, we analyzed the presence of endogenous inhibitors at early time points. Blocking keratinocyte-derived interleukin (IL)-1 using IL-1 receptor antagonist, alpha-SMA expression in co-cultures was potentiated. Conversely, adding exogenous IL-1alpha completely suppressed endogenous alpha-SMA induction. In co-cultured fibroblasts strong nuclear factor-kappaB binding activity was observed from 2 hours, decreasing at 2 and 4 days, suggesting an early, IL-1-mediated inhibition of TGF-beta signaling in co-cultured fibroblasts. This biphasic differentiation event is regulated by the balance of endogenous TGF-beta and IL-1 activity and is reminiscent of myofibroblast differentiation at early and later stages of wound healing.
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Affiliation(s)
- Pierre Shephard
- Departments of Dermatology and Virology, University of Cologne, Cologne, Germany
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Ueda Y, Wang S, Dumont N, Yi JY, Koh Y, Arteaga CL. Overexpression of HER2 (erbB2) in Human Breast Epithelial Cells Unmasks Transforming Growth Factor β-induced Cell Motility. J Biol Chem 2004; 279:24505-13. [PMID: 15044465 DOI: 10.1074/jbc.m400081200] [Citation(s) in RCA: 128] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
We have examined overexpression of the human epidermal growth factor receptor 2 (HER2) to determine if it modifies the anti-proliferative effect of transforming growth factor (TGF)-beta against MCF-10A human mammary epithelial cells. Exogenous TGF-beta inhibited cell proliferation and induced Smad-dependent transcriptional reporter activity in both MCF-10A/HER2 and MCF-10A/vector control cells. Ligand-induced reporter activity was 7-fold higher in HER2-overexpressing cells. In wound closure and transwell assays, TGF-beta induced motility of HER2-transduced, but not control cells. The HER2-blocking antibody trastuzumab (Herceptin) prevented TGF-beta-induced cell motility. Expression of a constitutively active TGF-beta type I receptor (ALK5(T204D)) induced motility of MCF-10A/HER2 but not MCF-10A/vector cells. TGF-beta-induced motility was blocked by coincubation with either the phosphatidylinositol 3-kinase inhibitor LY294002, the mitogen-activated protein kinase (MAPK) inhibitor U0126, the p38 MAPK inhibitor SB202190, and an integrin beta(1) blocking antibody. Rac1 activity was higher in HER2-overexpressing cells, where both Rac1 and Pak1 proteins were constitutively associated with HER2. Both exogenous TGF-beta and transduction with constitutively active ALK5 enhanced this association. TGF-beta induced actin stress fibers as well as lamellipodia within the leading edge of wounds. Herceptin blocked basal and TGF-beta-stimulated Rac1 activity but did not repress TGF-beta-stimulated transcriptional reporter activity. These data suggest that 1) overexpression of HER2 in nontumorigenic mammary epithelial is permissive for the ability of TGF-beta to induce cell motility and Rac1 activity, and 2) HER2 and TGF-beta signaling cooperate in the induction of cellular events associated with tumor progression.
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MESH Headings
- Actins/metabolism
- Activin Receptors, Type I/metabolism
- Adenoviridae/genetics
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal, Humanized
- Blotting, Northern
- Breast Neoplasms/metabolism
- Bromodeoxyuridine/pharmacology
- Butadienes/pharmacology
- Cell Cycle
- Cell Division
- Cell Line
- Cell Line, Tumor
- Cell Movement
- Chromones/pharmacology
- DNA, Complementary/metabolism
- Disease Progression
- Enzyme Inhibitors/pharmacology
- Epithelial Cells/metabolism
- Gene Expression Regulation
- Genes, Reporter
- Green Fluorescent Proteins
- Humans
- Imidazoles/pharmacology
- Immunoblotting
- Integrin beta1/immunology
- Ligands
- Luminescent Proteins/metabolism
- Microscopy, Fluorescence
- Models, Genetic
- Morpholines/pharmacology
- Nitriles/pharmacology
- Phosphoinositide-3 Kinase Inhibitors
- Precipitin Tests
- Protein Serine-Threonine Kinases
- Pseudopodia/metabolism
- Pyridines/pharmacology
- Receptor, ErbB-2/biosynthesis
- Receptor, Transforming Growth Factor-beta Type I
- Receptors, Transforming Growth Factor beta/metabolism
- Retroviridae/genetics
- Signal Transduction
- Transcription, Genetic
- Transforming Growth Factor beta/metabolism
- Trastuzumab
- Wound Healing
- rac1 GTP-Binding Protein/metabolism
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Affiliation(s)
- Yukiko Ueda
- Department of Medicine, Vanderbilt University School of Medicine, Vanderbilt-Ingram Comprehensive Cancer Center, Nashville, Tennessee 37232, USA
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Luo D, Yaar M, Tsai A, Gilchrest BA. Solar-simulated irradiation evokes a persistent and biphasic IL-1alpha response. Exp Dermatol 2004; 13:11-7. [PMID: 15009111 DOI: 10.1111/j.0906-6705.2004.00102.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Exposure of skin to solar-simulated irradiation generates a multitude of adaptive responses including cytokine transcription, synthesis and secretion. Interleukin-1 (IL-1) is one of the cytokines induced in epidermal cells in response to UV irradiation. It displays a broad range of mitogenic and inflammatory activities including fibroblast proliferation and T-cell activation. There are two forms, IL-1alpha and IL-1beta; and IL-1alpha is the predominant form secreted by epidermal keratinocytes. UV-induced modulations of IL-1alpha message levels have been extensively studied within the first 48 h after irradiation, but longer term changes and impact on IL-1alpha cellular protein levels are virtually unexplored. We now report that cells of keratinocyte origin (SCC 12F) respond to a single physiologic dose of solar-simulated irradiation with both early (8 h) and late (72 h) peaks of IL-1alpha mRNA induction. UV-stimulated IL-1alpha secretion is increased above sham-irradiated control secretion for at least 96 h after irradiation. Our study provides evidence that UV-induced adaptive cutaneous responses persist for at least several days, and suggests that different mechanisms may mediate the early vs. late inductions.
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Affiliation(s)
- Dan Luo
- Nanjing Medical University, Department of Dermatology, Nanjing 210029, China
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Tsutsumi-Ishii Y, Nagaoka I. Modulation of human beta-defensin-2 transcription in pulmonary epithelial cells by lipopolysaccharide-stimulated mononuclear phagocytes via proinflammatory cytokine production. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2003; 170:4226-36. [PMID: 12682256 DOI: 10.4049/jimmunol.170.8.4226] [Citation(s) in RCA: 126] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Human beta-defensin (hBD)-2, a cationic antimicrobial peptide primarily induced in epithelial cells in response to inflammatory stimuli, plays an important role in host defense. To elucidate the expression mechanism of hBD-2 in the lung, we investigated the modulation of hBD-2 transcription in pulmonary epithelial cells by mononuclear phagocytes stimulated with LPS. Coculture of A549 pulmonary epithelial cells with Mono-Mac-6 monocytic cells in the presence of Escherichia coli LPS markedly up-regulated hBD-2 promoter activity, whereas A549 alone did not respond to LPS to activate the hBD-2 promoter. Furthermore, IL-1beta and TNF-alpha in the culture supernatants from LPS-stimulated monocytic cells activated the hBD-2 promoter in A549 cells. Of note, IL-1beta was more potent than TNF-alpha in this effect. In addition, a mutation of the NF-kappaB site at -200 (pkappaB1 site) completely abolished this IL-1beta- and TNF-alpha-induced hBD-2 promoter activation, whereas NF-kappaB inhibitors (MG-132 and helenalin) strongly suppressed it. Moreover, electrophoretic mobility shift assay suggested that NF-kappaB, consisting of p65-p50 heterodimer, could bind to the pkappaB1 site in cytokine-stimulated A549 cells. Interestingly, flow cytometric analysis revealed that A549 cells expressed CD14 but lacked Toll-like receptor 4, which may account for the hyporesponsiveness of A549 cells to LPS. Taken together, these results suggest that hBD-2 expression in pulmonary epithelial cells is modulated by NF-kappaB via the actions of IL-1beta and TNF-alpha produced by LPS-stimulated mononuclear phagocytes.
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Affiliation(s)
- Yuko Tsutsumi-Ishii
- Department of Biochemistry, Juntendo University, School of Medicine, Tokyo, Japan
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Abstract
Numerous inflammatory cytokines and growth factors have been identified and are known to be essential for normal wound healing and host defense, and many have been implicated in disease states treated by plastic surgeons. Cytokines and growth factors are members of a large functional group of polypeptide regulatory molecules secreted by different cell lines. These peptides exert their influence through autocrine and paracrine fashions within sites of injury and repair. Although cytokines and growth factors are crucial in initiating, sustaining, and regulating the postinjury response, these same molecules have been implicated in impaired wound healing, abnormal scarring, and chronic cutaneous diseases. Therapeutic manipulation of inflammatory mediators in normal and impaired wounds has been performed, with mixed clinical results, but evolving strategies such as gene therapy, as well as further characterization of the cellular-mechanism cytokines and growth-factor triggers, will further add to our therapeutic options. This article discusses the current understanding of important cytokines and growth factors involved in the normal injury response and then addresses pathological states associated with an inappropriate expression of these mediators. Finally, a summary of various cytokine and growth factor-directed strategies being used in impaired wound healing states is presented.
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Affiliation(s)
- V K Rumalla
- Division of Plastic Surgery, Department of Surgery, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick 08903-0019, USA.
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Grellner W, Georg T, Wilske J. Quantitative analysis of proinflammatory cytokines (IL-1beta, IL-6, TNF-alpha) in human skin wounds. Forensic Sci Int 2000; 113:251-64. [PMID: 10978634 DOI: 10.1016/s0379-0738(00)00218-8] [Citation(s) in RCA: 120] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Proinflammatory cytokines play an important role in the mediation of inflammation and trauma. They could be useful for the determination of vitality and wound age. In the present study, 144 human skin wounds due to sharp force were investigated. The material was collected during operations (N=96) and postmortem examinations (N=48). The wound age varied from several seconds or minutes to 9 days. Control skin was available in each individual. The tissue specimens were homogenized and extracted in a solution of PBS and protease inhibitors. Interleukin-1beta (IL-1beta), interleukin-6 (IL-6) and tumour necrosis factor alpha (TNF-alpha) were measured by quantitative ELISA analysis. Statistical evaluation was performed by the t-test using the quotients of levels (wound sample/control skin). In surgical specimens the cytokine levels revealed a clear tendency to increase with wound age. IL-1beta in early skin wounds (</=30 min) and TNF-alpha after a wound age of 1-2 h demonstrated statistically significant changes in comparison with control skin (P<0.05). In autopsy samples with severe traumatization excessive elevation of cytokine levels was observed: IL-1beta, IL-6 and TNF-alpha showed significant increases (P<0.001-0.05) in stab and incised wounds with very short survival times of less than 5 min, but not in possibly supravital injuries. Elevated IL-6 levels persisted in older wounds (>24 h, P<0.05). The quantitative analysis of proinflammatory cytokines in wound extracts can contribute to the determination of vitality and wound age, in particular in the very early post-traumatic interval (classic stab wounds).
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Affiliation(s)
- W Grellner
- Institute of Forensic Medicine, Saarland University, Building 42, D-66421, Homburg/Saar, Germany
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Watkins LR, Hansen MK, Nguyen KT, Lee JE, Maier SF. Dynamic regulation of the proinflammatory cytokine, interleukin-1beta: molecular biology for non-molecular biologists. Life Sci 1999; 65:449-81. [PMID: 10462074 DOI: 10.1016/s0024-3205(99)00095-8] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Interleukin-1beta (IL-1beta) is a key mediator and modulator of a wide array of physiological responses important for survival. It is created by a variety of cell types, including immune cells, glia, and neurons. It is a very potent biological molecule, acting both at the periphery as well as within the central nervous system. The production and release of IL-1beta is tightly regulated by far more complex processes than previously thought. An appreciation of this complexity is necessary for proper interpretation of apparent contradictions in the literature where different aspects of IL-1beta expression are measured. Given that many researchers are not molecular biologists by training, yet need an appreciation of the controls that regulate the function of key proteins such as IL-1beta, this review is aimed at both: (a) clarifying the multiple levels at which IL-1beta production is modulated and (b) using IL-1beta regulation to explain the dynamics of gene regulation to non-molecular biologists. Three major topics will be discussed. First, regulation of IL-1beta production will be examined at every level from extracellular signals that trigger gene activation through release of active protein into the extracellular fluid. Second, regulation of IL-1beta bioavailability and bioactivity will be discussed. This section examines the fact that even after IL-1beta is released, it may or may not be able to exert a biological action due to multiple modulatory factors. Last is the introduction of the idea that IL-1beta regulation is, at times, beyond the direct control of host; that is, when IL-1beta production becomes dysregulated by pathogens.
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Affiliation(s)
- L R Watkins
- Department of Psychology, University of Colorado at Boulder, 80309, USA.
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Watkins LR, Nguyen KT, Lee JE, Maier SF. Dynamic regulation of proinflammatory cytokines. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1999; 461:153-78. [PMID: 10442173 DOI: 10.1007/978-0-585-37970-8_10] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- L R Watkins
- Department of Psychology, University of Colorado at Boulder 80309, USA
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12
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Takei T, Kito H, Du W, Mills I, Sumpio BE. Induction of interleukin (IL)-1α and β gene expression in human keratinocytes exposed to repetitive strain: Their role in strain-induced keratinocyte proliferation and morphological change. J Cell Biochem 1998. [DOI: 10.1002/(sici)1097-4644(19980501)69:2<95::aid-jcb1>3.0.co;2-p] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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